vendor: update all dependencies

vendor/google.golang.org/api/language/v1beta2/language-api.json

@@ -62,11 +62,6 @@
       "location": "query",
       "type": "string"
     },
-    "bearer_token": {
-      "description": "OAuth bearer token.",
-      "location": "query",
-      "type": "string"
-    },
     "callback": {
       "description": "JSONP",
       "location": "query",
@@ -87,12 +82,6 @@
       "location": "query",
       "type": "string"
     },
-    "pp": {
-      "default": "true",
-      "description": "Pretty-print response.",
-      "location": "query",
-      "type": "boolean"
-    },
     "prettyPrint": {
       "default": "true",
       "description": "Returns response with indentations and line breaks.",
@@ -236,7 +225,7 @@
       }
     }
   },
-  "revision": "20180322",
+  "revision": "20180603",
   "rootUrl": "https://language.googleapis.com/",
   "schemas": {
     "AnalyzeEntitiesRequest": {
@@ -736,7 +725,7 @@
       "id": "Document",
       "properties": {
         "content": {
-          "description": "The content of the input in string format.",
+          "description": "The content of the input in string format.\nCloud audit logging exempt since it is based on user data.",
           "type": "string"
         },
         "gcsContentUri": {

vendor/google.golang.org/api/language/v1beta2/language-gen.go

@@ -826,6 +826,7 @@ func (s *DependencyEdge) MarshalJSON() ([]byte, error) {
 // Represents the input to API methods.
 type Document struct {
 	// Content: The content of the input in string format.
+	// Cloud audit logging exempt since it is based on user data.
 	Content string `json:"content,omitempty"`
 
 	// GcsContentUri: The Google Cloud Storage URI where the file content is